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Question: Do Problem of this section for the case that someone is taking a multiple choice test with five choices for each answer and guesses randomly when they don't know the answer.
Problem: Someone is taking a true-false test and guessing when they don't know the answer. We are going to compute a score by subtracting a percentage of the number of incorrect answers from the number of correct answers. When we convert this "corrected score" to a percentage score we want its expected value to be the percentage of the material being tested that the test-taker knows. How can we do this?
Find the maximum margin separating hyperplane by solving the dual lagrangian constrained optimization problem. What is the value of the margin?
The fence along three sides is to be made of material that costs 5 dollars per foot, and the material for the fourth side costs 13 dollars per foot. Find the dimensions of the enclosure that is most economical to construct.
Henry received a 6% raise. If his old monthly salary was $2,250, what is his monthly salary now? (Hint: Find the amount of the raise. The add the raise to the previous monthly salary.)
A candy store owner mixes spearmint candy selling for $0.95 a pound and cinnamon candy selling for $0.87 a pound. If there are 6 pounds of the mixture selling for $0.91 per pound, how many pounds of each type were mixed together?
A body of mass m is in rectilinear motion along horizontal axis .the resultant force acting on the body is given by -kx , where k>0 is constant of proportionality and x is the distance along the axis from a fixed point O.the body has initial velocity..
Use of MATHEMATICA (or of any other software) is recommended. Choose any of the projects and answer the question for your selected project at the end.
Use the formula to determine how long it takes the ball to return to the earth and Evaluate the maximum height of ball using given equation
A survey was mailed to a total of 400 students; 100 were randomly selected from each of the freshman, sophomore, junior and senior classes last semester. What sampling method was used?
A bus leaves town A at 8:30 am for town B. The distance between town A and B is 150 km. Assuming that the bus travels with a constant velocity of 63 km/h, determine the arrival time at Town B.
COST OF REMOVING TOXIC WASTE A city's main well was recently found to be contaminated with trichloroethylene, a cancer-causing chemical.
Aaron bought 6 books and 2 notebooks for $46.86. Erin bought 2 books and 6 notebooks for$27.78. How much does one book cost?
In a weighted voting system [q : w1, w2, ..., wk], what are the restrictions on the possible values of q? Explain each restriction.
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